What is cnab4809.dll doing on my computer?

cnab4809.dll is a module belonging to Canon Advanced Printing Technology from Canon Inc..
Non-system processes like cnab4809.dll originate from software you installed on your system. Since most applications store data on your hard disk and in your system's registry, it is likely that your computer has suffered fragmentation and accumulated invalid entries which can affect your PC's performance.

In Windows Task Manager, you can see what CPU, memory, disk and network utilization is causing the CNA809 process. To access the Task Manager, hold down the Ctrl Shift Esc keys at the same time. These three buttons are located on the far left of your keyboard.

The cnab4809.dll is an executable file on your computer's hard drive. This file contains machine code. If you start the software Canon Advanced Printing Technology on your PC, the commands contained in cnab4809.dll will be executed on your PC. For this purpose, the file is loaded into the main memory (RAM) and runs there as a CNA809 process (also called a task).

Is cnab4809.dll harmful?

cnab4809.dll has not been assigned a security rating yet. The cnab4809.dll file should be located in the folder C:\Windows\System32\spool\drivers\w32x86\3. Otherwise it could be a Trojan.

Can I stop or remove cnab4809.dll?

Many non-system processes that are running can be stopped because they are not involved in running your operating system. cnab4809.dll is used by 'Canon Advanced Printing Technology'. This is an application created by 'Canon Inc.'.

If you no longer use Canon Advanced Printing Technology, you can permanently remove this software and thus cnab4809.dll from your PC. To do this, press the Windows key R at the same time and then type 'appwiz.cpl'. Then find Canon Advanced Printing Technology in the list of installed programs and uninstall this application.

Is cnab4809.dll CPU intensive?

This process is not considered CPU intensive. However, running too many processes on your system may affect your PC’s performance. To reduce system overload, you can use the Microsoft System Configuration Utility (MSConfig) or the Windows Task Manager to manually find and disable processes that launch upon start-up.

Use the Windows Resource Monitor to find out which processes and applications write/read the most on the hard drive, send the most data to the Internet, or use the most memory. To access the Resource Monitor, press the key combination Windows key R and then enter 'resmon'.

Why is cnab4809.dll giving me errors?

Most cnab4809 issues are caused by the application executing the process. The surest way to fix these errors is to update or uninstall this application. Therefore, please search the Canon Inc. website for the latest Canon Advanced Printing Technology update.